@article{PIM_1991_N_S_49_63_a0,
     author = {Radosav S. {\DJ}or{\dj}evi\'c},
     title = {Barwise {Completeness} {Theorems} {For} {Logics} {With} {Integrals}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {1 },
     publisher = {mathdoc},
     volume = {_N_S_49},
     number = {63},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a0/}
}