@article{UZERU_2001_2_a2,
     author = {G. H. Sahakyan},
     title = {Floke--Liapunov's theorem for {Dirac's} two-parameter system with periodical coefficients},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {14--21},
     publisher = {mathdoc},
     number = {2},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2001_2_a2/}
}