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@article{AL_1999_38_3_a3, author = {L. L. Maksimova}, title = {Projective {Beth} properties in modal and superintuitionistic}, journal = {Algebra i logika}, pages = {316--333}, publisher = {mathdoc}, volume = {38}, number = {3}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1999_38_3_a3/} }
L. L. Maksimova. Projective Beth properties in modal and superintuitionistic. Algebra i logika, Tome 38 (1999) no. 3, pp. 316-333. http://geodesic.mathdoc.fr/item/AL_1999_38_3_a3/