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@article{MZM_1990_48_5_a16, author = {V. V. Vasil'ev}, title = {The {Cauchy} problem for a~second-order equation with a~nondensely defined operator}, journal = {Matemati\v{c}eskie zametki}, pages = {140--142}, publisher = {mathdoc}, volume = {48}, number = {5}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_5_a16/} }
V. V. Vasil'ev. The Cauchy problem for a~second-order equation with a~nondensely defined operator. Matematičeskie zametki, Tome 48 (1990) no. 5, pp. 140-142. http://geodesic.mathdoc.fr/item/MZM_1990_48_5_a16/