@article{KUIPM_1984_10_10_a21,
     author = {I. E. Filippov},
     title = {Eigenvalues of the periodic problem for differential equations with linearly deviating arguments},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {196--201},
     year = {1984},
     volume = {10},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1984_10_10_a21/}
}