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@article{DAN_1970_190_3_a7, author = {S. R. Kogalovskii}, title = {Certain reduction theorems for higher order logic}, journal = {Doklady Akademii Nauk}, pages = {519--522}, publisher = {mathdoc}, volume = {190}, number = {3}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_190_3_a7/} }
S. R. Kogalovskii. Certain reduction theorems for higher order logic. Doklady Akademii Nauk, Tome 190 (1970) no. 3, pp. 519-522. http://geodesic.mathdoc.fr/item/DAN_1970_190_3_a7/