Fomenko A.
Visual geometry and topology - Америк Springer-Verlag 1994 - 324
3540533613 3000 0387533613 3000
geometry topology homologies low-dimensional manifolds
Visual geometry and topology - Америк Springer-Verlag 1994 - 324
3540533613 3000 0387533613 3000
geometry topology homologies low-dimensional manifolds