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@article{PIM_1993_N_S_54_68_a2, author = {Radosav {\DJ}or{\dj}evi\'c}, title = {Logics {With} two {Types} of {Integral} {Operators}}, journal = {Publications de l'Institut Math\'ematique}, pages = {18 }, publisher = {mathdoc}, volume = {_N_S_54}, number = {68}, year = {1993}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1993_N_S_54_68_a2/} }
Radosav Đorđević. Logics With two Types of Integral Operators. Publications de l'Institut Mathématique, _N_S_54 (1993) no. 68, p. 18 . http://geodesic.mathdoc.fr/item/PIM_1993_N_S_54_68_a2/