@article{NSJOM_1986_16_1a_14,
     author = {\v{C}erin Zvonko and Tomislav Gianella and Gian Mario},
     title = {Prirodna ekvivalencija 

 grafu asociranih bifunktora},
     journal = {Novi Sad Journal of Mathematics},
     pages = {181-195},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {1986},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1986_16_1a_14/}
}