@article{DE_2002_38_10_a2,
     author = {N. A. Izobov and E. N. Krupchik},
     title = {The {Construction} of a {Pfaff} {Linear} {System} {Whose} {Solutions} {Have} an {Arbitrary} {Given} {Boundary} {Lower} {Exponent} {Set}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1310--1321},
     publisher = {mathdoc},
     volume = {38},
     number = {10},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_10_a2/}
}