@article{NSJOM_2002_32_2a_13,
     author = {I. 

 Bo\v{s}njak and R. Madarasz},
     title = {On some 

 classes of good quotient relations},
     journal = {Novi Sad Journal of Mathematics},
     pages = {131-140},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {2002},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2002_32_2a_13/}
}