@article{PIM_1989_N_S_45_59_a0,
     author = {Miodrag Kapetanovi\'c and Aleksandar Krape\v{z}},
     title = {A {Proof} {Procedure} for the {First} {Order} {Logic}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {3 },
     publisher = {mathdoc},
     volume = {_N_S_45},
     number = {59},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1989_N_S_45_59_a0/}
}