TY  - JOUR
AU  - Yu. N. Zakharyan
AU  - T. N. Fomenko
TI  - Preservation of the Existence of Zeros in a Family of Set-Valued Functionals and Some Consequences
JO  - Matematičeskie zametki
PY  - 2020
SP  - 837
EP  - 850
VL  - 108
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2020_108_6_a2/
LA  - ru
ID  - MZM_2020_108_6_a2
ER  -