@article{DAN_1975_222_3_a6,
     author = {E. V. Shchepin},
     title = {On a problem of {Isbell}},
     journal = {Doklady Akademii Nauk},
     pages = {541--543},
     publisher = {mathdoc},
     volume = {222},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_3_a6/}
}