Geometricheskai︠a︡ topologii︠a︡ i teorii︠a︡ mnozhestv : sbornik stateĭ : k 100-letii︠u︡ so dni︠a︡ rozhdenii︠a︡ professora Li︠u︡dmily Vsevolodovny Keldysh - Keldysh, Li︠u︡dmila Vsevolodovna, 1904-; Chernavskiĭ, A. V. (Trudy Matematicheskogo instituta imeni V.A. Steklova, 2004)