@article{SM_1984_49_2_a9,
     author = {P. P. Zhuk and L. N. Bondarenko},
     title = {On a~conjecture of {G.~Forsythe}},
     journal = {Sbornik. Mathematics},
     pages = {427--445},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1984_49_2_a9/}
}