%0 Journal Article %A S. Yu. Dobrokhotov %A V. E. Nazaikinskii %T Lagrangian Manifolds and Efficient Short-Wave Asymptotics in a Neighborhood of a Caustic Cusp %J Matematičeskie zametki %D 2020 %P 334-359 %V 108 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2020_108_3_a1/ %G ru %F MZM_2020_108_3_a1