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@article{DE_1991_27_2_a15, author = {M. I. \`Efendiev}, title = {Strictly hyperbolic higher-order equations in $L^p(\mathbf R^n)$, $1<p<+\infty$}, journal = {Differencialʹnye uravneni\^a}, pages = {312--320}, publisher = {mathdoc}, volume = {27}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1991_27_2_a15/} }
M. I. Èfendiev. Strictly hyperbolic higher-order equations in $L^p(\mathbf R^n)$, $1