TY  - JOUR
AU  - V. G. Il'ichev
TI  - Fragment of a mathematical theory of competition among biological species in a variable environment
JO  - Differencialʹnye uravneniâ
PY  - 1991
SP  - 437
EP  - 447
VL  - 27
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1991_27_3_a7/
LA  - ru
ID  - DE_1991_27_3_a7
ER  -