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@article{DAN_1963_151_3_a23, author = {Yu. I. Sirotin}, title = {Integral rational bases of tensor invariants of crystallographic groups}, journal = {Doklady Akademii Nauk}, pages = {564--566}, publisher = {mathdoc}, volume = {151}, number = {3}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_3_a23/} }
Yu. I. Sirotin. Integral rational bases of tensor invariants of crystallographic groups. Doklady Akademii Nauk, Tome 151 (1963) no. 3, pp. 564-566. http://geodesic.mathdoc.fr/item/DAN_1963_151_3_a23/