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@article{DAN_1989_304_6_a2, author = {V. V. Ostapenko}, title = {Divergence of difference operators that are defined on an}, journal = {Doklady Akademii Nauk}, pages = {1295--1298}, publisher = {mathdoc}, volume = {304}, number = {6}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_6_a2/} }
V. V. Ostapenko. Divergence of difference operators that are defined on an. Doklady Akademii Nauk, Tome 304 (1989) no. 6, pp. 1295-1298. http://geodesic.mathdoc.fr/item/DAN_1989_304_6_a2/