@article{NSJOM_1987_17_1a_17,
     author = {To\v{s}i\'c Ratko},
     title = {Search number of the cartesian product 

 of graphs},
     journal = {Novi Sad Journal of Mathematics},
     pages = {239-243},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1987},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1987_17_1a_17/}
}