TY  - JOUR
AU  - G. Kh. Sindalovskii
TI  - Congruent and asymptotic differentiability
JO  - Doklady Akademii Nauk
PY  - 1963
SP  - 995
EP  - 997
VL  - 150
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1963_150_5_a10/
LA  - ru
ID  - DAN_1963_150_5_a10
ER  -