@article{DAN_1970_195_6_a8,
     author = {A. Ya. Helemskii},
     title = {A description of the relatively projective ideals in the algebras $C(\Omega)$},
     journal = {Doklady Akademii Nauk},
     pages = {1286--1289},
     publisher = {mathdoc},
     volume = {195},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_195_6_a8/}
}