Isoperimetric problems for regions on a surface having restricted width.(English. Russian original)Zbl 0167.50802

Proc. Steklov Inst. Math. 76(1965), 100-108 (1967); translation from Tr. Mat. Inst. Steklova 76, 81-87 (1965).

MSC:

 53A05 Surfaces in Euclidean and related spaces