TY  - JOUR
AU  - A. P. Kopylov
TI  - Homeomorphic mappings in the three-dimensional Euclidean space preserving angles of rays
JO  - Doklady Akademii Nauk
PY  - 1966
SP  - 1016
EP  - 1017
VL  - 170
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1966_170_5_a5/
LA  - ru
ID  - DAN_1966_170_5_a5
ER  -