@article{MABA_2011_25_1-2_a7,
     author = {N. Maneva and K. Kraichev and K. Manev},
     title = {Mathematical {Models-Based} {Software} {Modernization}},
     journal = {Mathematica balkanica},
     pages = {131},
     publisher = {mathdoc},
     volume = {25},
     number = {1-2},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/MABA_2011_25_1-2_a7/}
}