@article{IVM_1978_7_a3,
     author = {B. A. Ivanov},
     title = {Properties of eigenvalues of positive matrices that are nonlinearly dependent on the parameter},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {17--20},
     publisher = {mathdoc},
     number = {7},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1978_7_a3/}
}