TY  - JOUR
TI  - To the memory of D. A. Usanov (1943 – 2019)
JO  - Izvestiya VUZ. Applied Nonlinear Dynamics
PY  - 2019
SP  - 114
EP  - 116
VL  - 27
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVP_2019_27_4_a6/
LA  - ru
ID  - IVP_2019_27_4_a6
ER  -