@article{NSJOM_1989_19_1a_14,
     author = {Vojvodi\'c Gradimir and \v{S}e\v{s}elja Branimir},
     title = {The diagonal in the lattice of weak 

 congruences and the representation of lattices},
     journal = {Novi Sad Journal of Mathematics},
     pages = {167-178},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1989},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1989_19_1a_14/}
}