TY  - JOUR
AU  - N. G. Perlova
TI  - The prolongation of first order infinitesimal deformations of closed ribbed surfaces of revolution to second order infinitesimal deformations
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1972
SP  - 84
EP  - 89
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1972_9_a11/
LA  - ru
ID  - IVM_1972_9_a11
ER  -