@article{NSJOM_1984__14__a19,
     author = {Grulovi\'c Milan},
     title = {On n-finite companions},
     journal = {Novi Sad Journal of Mathematics},
     pages = {211-222},
     publisher = {mathdoc},
     volume = {14},
     year = {1984},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1984__14__a19/}
}