@article{DE_2003_39_2_a5,
     author = {I. T. Kiguradze},
     title = {On {Boundary} {Value} {Problems} for {Linear} {Differential} {Systems} with {Singularities}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {198--209},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_2_a5/}
}