@article{FAA_1970_4_2_a1, author = {G. A. Voropaeva and V. P. Maslov}, title = {M. {V.} {Keldysh's} multiple completeness and the uniqueness of the solution of the corresponding {Cauchy} problem}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {10--17}, publisher = {mathdoc}, volume = {4}, number = {2}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1970_4_2_a1/} }