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@article{AL_1977_16_6_a2, author = {L. L. Maksimova}, title = {Craig's theorem in superintuitionistic logics and amalgamable}, journal = {Algebra i logika}, pages = {643--681}, publisher = {mathdoc}, volume = {16}, number = {6}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1977_16_6_a2/} }
L. L. Maksimova. Craig's theorem in superintuitionistic logics and amalgamable. Algebra i logika, Tome 16 (1977) no. 6, pp. 643-681. http://geodesic.mathdoc.fr/item/AL_1977_16_6_a2/