@article{MV_1951_3_3-4_a3,
     author = {L. Karad\v{z}i\'c},
     title = {O jednom {O-inverznom} stanju},
     journal = {Matemati\v{c}ki vesnik},
     pages = {25 },
     publisher = {mathdoc},
     volume = {3},
     number = {3-4},
     year = {1951},
     url = {http://geodesic.mathdoc.fr/item/MV_1951_3_3-4_a3/}
}