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@article{DAN_1967_176_2_a9, author = {D. B. Fuchs}, title = {Some remarks on the duality of functors in the category of abelian groups}, journal = {Doklady Akademii Nauk}, pages = {273--276}, publisher = {mathdoc}, volume = {176}, number = {2}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_2_a9/} }
D. B. Fuchs. Some remarks on the duality of functors in the category of abelian groups. Doklady Akademii Nauk, Tome 176 (1967) no. 2, pp. 273-276. http://geodesic.mathdoc.fr/item/DAN_1967_176_2_a9/