@article{SMZ_2006__47_1_53498,
     author = {Demidenko, G.V. and Likhoshvaj, V.A. and Kotova, T.V. and Khropova, Yu.E.},
     title = {On a class of systems of differential equations and on retarded equations.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {58},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {2006},
     zbl = {1122.34327},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2006__47_1_53498/}
}