| Differential equations on geometric graphs YV Pokornyi, OM Penkin, VL Pryadiev, AV Borovskikh, KP Lazarev, ... M.: Fizmatlit, 272, 2004 | 194 | 2004 |
| Differentsial’nye uravneniya na geometricheskikh grafakh YV Pokornyi, OM Penkin, VL Pryadiev Differential Equations on Geometric Graphs), Moscow, 2004 | 37 | 2004 |
| Sturm theorems for equations on graphs YV Pokorny, OM Penkin Doklady Akademii Nauk 309 (6), 1306-1308, 1989 | 36 | 1989 |
| Relationship between the lower frequency spectrum of plates and networks of beams S Nicaise, O Penkin Mathematical methods in the applied sciences 23 (16), 1389-1399, 2000 | 28 | 2000 |
| About a geometrical approach to multistructures and some qualitative properties of solutions OM Penkin LECTURE NOTES IN PURE AND APPLIED MATHEMATICS, 183-192, 2001 | 27 | 2001 |
| On a boundary value problem on a graph OM Penkin, YV Pokorny Differentsial'nye Uravneniya 24 (4), 701-703, 1988 | 25 | 1988 |
| Poincaré’s inequality on stratified sets and applications AA Gavrilov, S Nicaise, OM Penkin Evolution Equations: Applications to Physics, Industry, Life Sciences and …, 2003 | 19 | 2003 |
| On some qualitative properties of equations on a one-dimensionalCW-complex OM Penkin, YV Pokornyi Mathematical Notes 59 (5), 562-565, 1996 | 18* | 1996 |
| On a vectorial boundary value problem OM Penkin, YV Pokornyi, EN Provotorova Boundary value problems, Interuniv. Collect. Sci. Works, 64-70, 1983 | 18 | 1983 |
| Comparison theorems for equations on graphs YV Pokorny, OM Penkin Differentsial'nye Uravneniya 25 (7), 1141-1150, 1989 | 16 | 1989 |
| Poincaré–Perron's method for the Dirichlet problem on stratified sets S Nicaise, OM Penkin Journal of mathematical analysis and applications 296 (2), 504-520, 2004 | 13 | 2004 |
| On incompatible inequalities for elliptic equations on stratified sets OM Penkin, YV Pokornyi Differential equations 34 (8), 1111-1117, 1998 | 12 | 1998 |
| On the spectrum of a uniform network of strings AW Komarov, OM Penkin, YV Pokorny Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 23-27, 2000 | 10 | 2000 |
| Second-Order Elliptic Equations on a Stratified Set. OM Penkin Journal of Mathematical Sciences 119 (6), 2004 | 9 | 2004 |
| An analog of the lemma on the normal derivative for an elliptic equation on a stratified set AA Gavrilov, OM Penkin Differential Equations 36, 255-261, 2000 | 7 | 2000 |
| On the maximum principle for an elliptic equation on a two-dimensional cellular complex OM Penkin Doklady Akademii Nauk 352 (4), 462-465, 1997 | 7 | 1997 |
| On the multiplicity of eigenvalues of the Sturm–Liouville problem on graphs AT Diab, BK Kaldybekova, OM Penkin Mathematical Notes 99, 492-502, 2016 | 6 | 2016 |
| Differential inequalities for elliptic equations on composite manifolds OM Penkin, YV Pokornyi Doklady Mathematics 57 (3), 421-423, 1998 | 6 | 1998 |
| The normal derivative lemma for the Laplacian on a polyhedral set. S Oshchepkova, O Penkin, D Savasteev Mathematical Notes 96, 2014 | 5 | 2014 |
| Strong maximum principle for an elliptic operator on a stratified set SN Oshchepkova, OM Penkin, DV Savasteev Mathematical Notes 92, 249-259, 2012 | 5 | 2012 |
