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@article{DAN_1965_160_2_a5, author = {A. V. Kuznetsov}, title = {Analogs of the {``Sheffer} stroke'' in constructive logic}, journal = {Doklady Akademii Nauk}, pages = {274--277}, publisher = {mathdoc}, volume = {160}, number = {2}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a5/} }
A. V. Kuznetsov. Analogs of the ``Sheffer stroke'' in constructive logic. Doklady Akademii Nauk, Tome 160 (1965) no. 2, pp. 274-277. http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a5/