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@article{DAN_1970_195_1_a8, author = {E. I. Ostrovskii}, title = {The local structure of normal fields}, journal = {Doklady Akademii Nauk}, pages = {40--42}, publisher = {mathdoc}, volume = {195}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_1_a8/} }
E. I. Ostrovskii. The local structure of normal fields. Doklady Akademii Nauk, Tome 195 (1970) no. 1, pp. 40-42. http://geodesic.mathdoc.fr/item/DAN_1970_195_1_a8/