On relations between properties of sets and properties of their sections and projections. (English. Russian original) Zbl 0495.57009
Russ. Math. Surv. 34, No. 6, 261-266 (1979); translation from Usp. Mat. Nauk 34, No. 6, 158-162 (1979).
MSC:
57N99 | Topological manifolds |
57N65 | Algebraic topology of manifolds |
57R19 | Algebraic topology on manifolds and differential topology |
32A99 | Holomorphic functions of several complex variables |