@article{SMJ2_1997_23_3-4_a0,
     author = {Yanev, N.},
     title = {The {Fiftieth} {Anniversary} of the {Institute} of {Mathematics} and {Informatics}},
     journal = {Serdica Mathematical Journal},
     pages = {1--2},
     publisher = {mathdoc},
     volume = {23},
     number = {3-4},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_1997_23_3-4_a0/}
}