@article{PFMT_2015_3_a8,
     author = {M. S. Belokursky},
     title = {Erugin{\textquoteright}s problem on the existence of irregular solutions in one case of the linear system with nonzero mean of periodic coefficient},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {51--54},
     publisher = {mathdoc},
     number = {3},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2015_3_a8/}
}