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@article{DAN_1991_320_4_a12, author = {I. T. Tazhimuratov}, title = {On the reducibility of systems of first-order linear partial}, journal = {Doklady Akademii Nauk}, pages = {830--831}, publisher = {mathdoc}, volume = {320}, number = {4}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a12/} }
I. T. Tazhimuratov. On the reducibility of systems of first-order linear partial. Doklady Akademii Nauk, Tome 320 (1991) no. 4, pp. 830-831. http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a12/