@article{TM2_2002_V_2_a2,
     author = {Diana I. Izvorska and Slavka K. Slavova},
     title = {Su\v{s}nost i {Nekotorye} {Tipizacii} {Matematiqeskih} {Zada\v{c}}},
     journal = {The Teaching of Mathematics},
     pages = {81 },
     publisher = {mathdoc},
     volume = {V},
     number = {2},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2002_V_2_a2/}
}