@article{SMJ2_1996_22_4_a7,
     author = {Russev, P.},
     title = {Nikola {Obreshkoff} - {Bibliography}},
     journal = {Serdica Mathematical Journal},
     pages = {3--8},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_1996_22_4_a7/}
}