@article{PIM_1981_N_S_29_43_a15,
     author = {Aleksandar Krape\v{z}},
     title = {Strictly {Quadratic} {Functional} {Equations} on {Quasigroups} {I}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {125 },
     publisher = {mathdoc},
     volume = {_N_S_29},
     number = {43},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1981_N_S_29_43_a15/}
}