TY  - JOUR
AU  - V. V. Goldberg
TI  - Surfaces $L$ of four-dimensional space and their maps into three-dimensional space
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1960
VL  - 15
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1960_15_5_a14/
LA  - ru
ID  - RM_1960_15_5_a14
ER  -