Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{PIM_1980_N_S_28_42_a15, author = {Petar R. Lazov and Boro M. Piperevski}, title = {Ob {Odnom} {Rezul'tate} {J.d.} {Kechkicha}}, journal = {Publications de l'Institut Math\'ematique}, pages = {125 }, publisher = {mathdoc}, volume = {_N_S_28}, number = {42}, year = {1980}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PIM_1980_N_S_28_42_a15/} }
Petar R. Lazov; Boro M. Piperevski. Ob Odnom Rezul'tate J.d. Kechkicha. Publications de l'Institut Mathématique, _N_S_28 (1980) no. 42, p. 125 . http://geodesic.mathdoc.fr/item/PIM_1980_N_S_28_42_a15/