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@article{FPM_1996_2_2_a5, author = {E. Yu. Nogina}, title = {Grzegorczyk logic with arithmetical proof operators}, journal = {Fundamentalʹna\^a i prikladna\^a matematika}, pages = {483--499}, publisher = {mathdoc}, volume = {2}, number = {2}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FPM_1996_2_2_a5/} }
E. Yu. Nogina. Grzegorczyk logic with arithmetical proof operators. Fundamentalʹnaâ i prikladnaâ matematika, Tome 2 (1996) no. 2, pp. 483-499. http://geodesic.mathdoc.fr/item/FPM_1996_2_2_a5/