TY  - JOUR
AU  - V. V. Aseev
AU  - A. K. Varisov
TI  - On a test for quasi-conformality of mappings of smooth surfaces
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 1001
EP  - 1003
VL  - 234
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_234_5_a2/
LA  - ru
ID  - DAN_1977_234_5_a2
ER  -