TY  - JOUR
AU  - V. G. Sheretov
TI  - On the theory of extremal quasiconformal mappings
JO  - Sbornik. Mathematics
PY  - 1979
SP  - 437
EP  - 447
VL  - 35
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/SM_1979_35_3_a7/
LA  - en
ID  - SM_1979_35_3_a7
ER  -