@article{NSJOM_2000_30_2a_2,
     author = {R. 

 Doroslova\v{c}ki and J. Pantovi\'c and R. To\v{s}i\'c and G. Vojvodi\'c},
     title = {On 

 completness criterion for partial hyperoperations},
     journal = {Novi Sad Journal of Mathematics},
     pages = {15-17},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {2000},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2000_30_2a_2/}
}