%0 Journal Article %A Yu. N. Zakharyan %A T. N. Fomenko %T Zero preservation for a family of multivalued functionals, and applications to the theory of fixed points and coincidences %J Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ %D 2020 %P 13-17 %V 493 %U http://geodesic.mathdoc.fr/item/DANMA_2020_493_a2/ %G ru %F DANMA_2020_493_a2