Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{MV_1970_22_2_a2, author = {Lj. \'Ciri\'c}, title = {O jednoj klasi preslikavanja u metri\v{c}kim prostorima}, journal = {Matemati\v{c}ki vesnik}, pages = {159 }, publisher = {mathdoc}, volume = {22}, number = {2}, year = {1970}, url = {http://geodesic.mathdoc.fr/item/MV_1970_22_2_a2/} }
Lj. Ćirić. O jednoj klasi preslikavanja u metričkim prostorima. Matematički vesnik, Tome 22 (1970) no. 2, p. 159 . http://geodesic.mathdoc.fr/item/MV_1970_22_2_a2/