@article{MABA_1987_1_1_a7,
     author = {A. Andreev and N. Kjurkchiev},
     title = {Two-sided {Methods} for {Solving} the {Polynomial} {Equation}},
     journal = {Mathematica balkanica},
     pages = {72},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1987},
     url = {http://geodesic.mathdoc.fr/item/MABA_1987_1_1_a7/}
}