TY  - JOUR
AU  - V. F. Kagan
TI  - The development of interpretations of non-Euclidean geometry
JO  - Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
PY  - 1951
SP  - 3
EP  - 8
VL  - 148
IS  - 148
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZMU_1951_148_148_a0/
LA  - ru
ID  - UZMU_1951_148_148_a0
ER  -