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@article{DAN_1991_318_5_a17, author = {Khe Kan Cher}, title = {Estimation of the solutions of {Darboux--Protter} problems for the}, journal = {Doklady Akademii Nauk}, pages = {1099--1102}, publisher = {mathdoc}, volume = {318}, number = {5}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_5_a17/} }
Khe Kan Cher. Estimation of the solutions of Darboux--Protter problems for the. Doklady Akademii Nauk, Tome 318 (1991) no. 5, pp. 1099-1102. http://geodesic.mathdoc.fr/item/DAN_1991_318_5_a17/