TY  - JOUR
TI  - Nikolai Nikolaevich Kalitkin (on his 85th birthday)
JO  - Matematičeskoe modelirovanie
PY  - 2020
SP  - 135
EP  - 136
VL  - 32
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM_2020_32_10_a9/
LA  - ru
ID  - MM_2020_32_10_a9
ER  -