| 1 | |
| 2 | Distribution of matter with radial symmetry in general relativity |
| Language: | English |
| 3 | Reduction of abelian integrals, Affina rollings and Geometry of webs |
| 4 | |
| Language: | English |
| 5 | |
| 6 | Studies in asymptotic lines and generators of a surface and generation of certain scrolls |
| Language: | English |