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@article{DE_1988_24_1_a10, author = {M. G. Karatopraklieva}, title = {On the theory of equations of mixed type with discontinuous coefficients. {II}}, journal = {Differencialʹnye uravneni\^a}, pages = {91--105}, publisher = {mathdoc}, volume = {24}, number = {1}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1988_24_1_a10/} }
M. G. Karatopraklieva. On the theory of equations of mixed type with discontinuous coefficients. II. Differencialʹnye uravneniâ, Tome 24 (1988) no. 1, pp. 91-105. http://geodesic.mathdoc.fr/item/DE_1988_24_1_a10/