@article{PIM_1972_N_S_13_27_a17,
     author = {M. Stojakovi\'c},
     title = {On {The} {Exponential} {Properties} {Of} {The} {Implication}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {121 },
     publisher = {mathdoc},
     volume = {_N_S_13},
     number = {27},
     year = {1972},
     url = {http://geodesic.mathdoc.fr/item/PIM_1972_N_S_13_27_a17/}
}