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@article{MZM_1989_46_6_a15, author = {K. Kh. Boimatov}, title = {Coercive estimates and separability for second-order nonlinear differential operators}, journal = {Matemati\v{c}eskie zametki}, pages = {110--112}, publisher = {mathdoc}, volume = {46}, number = {6}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_6_a15/} }
K. Kh. Boimatov. Coercive estimates and separability for second-order nonlinear differential operators. Matematičeskie zametki, Tome 46 (1989) no. 6, pp. 110-112. http://geodesic.mathdoc.fr/item/MZM_1989_46_6_a15/