TY  - JOUR
AU  - N. M. Ostianu
AU  - V. V. Ryzhkov
AU  - P. I. Shveikin
TI  - Essay on the scientific investigations of German Fedorovich Laptev
JO  - Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
PY  - 1973
SP  - 7
EP  - 70
VL  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/INTG_1973_4_a0/
LA  - ru
ID  - INTG_1973_4_a0
ER  -