Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1992_31_1_a5, author = {A. V. Chagrov}, title = {A decidable modal logic for which the admissibility of}, journal = {Algebra i logika}, pages = {83--93}, publisher = {mathdoc}, volume = {31}, number = {1}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1992_31_1_a5/} }
A. V. Chagrov. A decidable modal logic for which the admissibility of. Algebra i logika, Tome 31 (1992) no. 1, pp. 83-93. http://geodesic.mathdoc.fr/item/AL_1992_31_1_a5/