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@article{DE_1974_10_10_a20, author = {A. A. Kuleshov}, title = {The fundamental solution of quadratic systems of pseudodifferential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1905--1907}, publisher = {mathdoc}, volume = {10}, number = {10}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1974_10_10_a20/} }
A. A. Kuleshov. The fundamental solution of quadratic systems of pseudodifferential equations. Differencialʹnye uravneniâ, Tome 10 (1974) no. 10, pp. 1905-1907. http://geodesic.mathdoc.fr/item/DE_1974_10_10_a20/