Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1975_14_1_a2, author = {L. L. Maksimova}, title = {Pretabular extensions of {Lewis's} logic $S4$}, journal = {Algebra i logika}, pages = {28--55}, publisher = {mathdoc}, volume = {14}, number = {1}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1975_14_1_a2/} }
L. L. Maksimova. Pretabular extensions of Lewis's logic $S4$. Algebra i logika, Tome 14 (1975) no. 1, pp. 28-55. http://geodesic.mathdoc.fr/item/AL_1975_14_1_a2/