@article{NSJOM_1984__14__a31,
     author = {U\v{s}an, 

 Janez},
     title = {A construction of special 

 k-seminets},
     journal = {Novi Sad Journal of Mathematics},
     pages = {109-115},
     publisher = {mathdoc},
     volume = {14},
     year = {1984},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1984__14__a31/}
}