@article{NSJOM_1989_19_2a_3,
     author = {Pu\v{s}i\'c Nevena,},
     title = {On the existence of a 

 self-recurent {SW-On}},
     journal = {Novi Sad Journal of Mathematics},
     pages = {41-52},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1989},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1989_19_2a_3/}
}