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@article{DAN_1970_191_1_a6, author = {V. A. Rokhlin}, title = {The normal {Euler} numbers of the projective plane and {Klein} bottle in four-dimensional {Euclidean} space}, journal = {Doklady Akademii Nauk}, pages = {27--29}, publisher = {mathdoc}, volume = {191}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_1_a6/} }
TY - JOUR AU - V. A. Rokhlin TI - The normal Euler numbers of the projective plane and Klein bottle in four-dimensional Euclidean space JO - Doklady Akademii Nauk PY - 1970 SP - 27 EP - 29 VL - 191 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_191_1_a6/ LA - ru ID - DAN_1970_191_1_a6 ER -
V. A. Rokhlin. The normal Euler numbers of the projective plane and Klein bottle in four-dimensional Euclidean space. Doklady Akademii Nauk, Tome 191 (1970) no. 1, pp. 27-29. http://geodesic.mathdoc.fr/item/DAN_1970_191_1_a6/