TY - JOUR AU - G. N. Chernis TI - A~test of the rigidity of a~convex surface of revolution under conical sliding constraints JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1976 SP - 111 EP - 115 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1976_1_a12/ LA - ru ID - IVM_1976_1_a12 ER -