TY  - JOUR
AU  - V. A. Lyubetskii
TI  - Some algebraic questions of nonstandard analysis
JO  - Doklady Akademii Nauk
PY  - 1985
SP  - 38
EP  - 41
VL  - 280
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1985_280_1_a7/
LA  - ru
ID  - DAN_1985_280_1_a7
ER  -