Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1967_174_2_a4, author = {M. M. Kipnis}, title = {A property of propositional formulas}, journal = {Doklady Akademii Nauk}, pages = {277--278}, publisher = {mathdoc}, volume = {174}, number = {2}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_2_a4/} }
M. M. Kipnis. A property of propositional formulas. Doklady Akademii Nauk, Tome 174 (1967) no. 2, pp. 277-278. http://geodesic.mathdoc.fr/item/DAN_1967_174_2_a4/