TY  - JOUR
AU  - R. M. Geidel'man
TI  - Conformal theory of two-parameter families of spheres
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 753
EP  - 756
VL  - 134
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_134_4_a2/
LA  - ru
ID  - DAN_1960_134_4_a2
ER  -