TY  - JOUR
AU  - V. A. Startsev
TI  - A~certain generalization of the concepts of symmetric continuity and symmetric differentiability
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1971
SP  - 92
EP  - 100
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1971_3_a12/
LA  - ru
ID  - IVM_1971_3_a12
ER  -