TY  - JOUR
AU  - B. L. Laptev
TI  - On the All-Union conference on non-Euclidean geometry – “150 Years of Lobachevsky's Geometry” (Kazan, 30.VI – 2.VII – 1976)
JO  - Trudy Geometricheskogo Seminara
PY  - 1978
SP  - 6
EP  - 17
VL  - 10
UR  - http://geodesic.mathdoc.fr/item/KUTGS_1978_10_a1/
LA  - ru
ID  - KUTGS_1978_10_a1
ER  -