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@article{PIM_1972_N_S_14_28_a18, author = {R. To\v{s}i\'c}, title = {S-Bases {Of} {Propositional} {Algebra}}, journal = {Publications de l'Institut Math\'ematique}, pages = {139 }, publisher = {mathdoc}, volume = {_N_S_14}, number = {28}, year = {1972}, url = {http://geodesic.mathdoc.fr/item/PIM_1972_N_S_14_28_a18/} }
R. Tošić. S-Bases Of Propositional Algebra. Publications de l'Institut Mathématique, _N_S_14 (1972) no. 28, p. 139 . http://geodesic.mathdoc.fr/item/PIM_1972_N_S_14_28_a18/