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@article{DAN_1990_314_1_a40, author = {D. Bazarov}, title = {An analogue of the {Frankl's} problem for a three-dimensional equation of mixed type}, journal = {Doklady Akademii Nauk}, pages = {169--171}, publisher = {mathdoc}, volume = {314}, number = {1}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_1_a40/} }
D. Bazarov. An analogue of the Frankl's problem for a three-dimensional equation of mixed type. Doklady Akademii Nauk, Tome 314 (1990) no. 1, pp. 169-171. http://geodesic.mathdoc.fr/item/DAN_1990_314_1_a40/