@article{PIM_1985_N_S_37_51_a5,
     author = {Ivan Gutman},
     title = {On {Some} {Graphic} {Polynomials} {Whose} {Zeros} are {Real}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {29 },
     publisher = {mathdoc},
     volume = {_N_S_37},
     number = {51},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1985_N_S_37_51_a5/}
}