%0 Journal Article %A N. S. Ustinov %T Multiplicity of positive solutions to the boundary value problems for fractional Laplacians %J Zapiski Nauchnykh Seminarov POMI %D 2017 %P 104-126 %V 459 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2017_459_a6/ %G ru %F ZNSL_2017_459_a6