1. The extension of a 3-coloring on planar graphs;Aksenov;Diskret. Analiz, Vyp. 26 Grafy i Testy,1974
2. V.A. Aksenov, Private communication, 1976.
3. Continuation of a 3-coloring from a 6-face onto a plane graph without 3-cycles;Aksenov;Diskretn. Anal. Issled. Oper. Ser. 1 10,2003
4. Continuation of a 3-coloring from a 7-face onto a plane graph without 3-cycles;Aksenov;Sib. Elektron. Mat. Izv. 1,2004
5. Essay on the theme: the three-color problem. Combinatorics, Keszthely 1976;Aksionov;Colloq. Math. Soc. Janos Bolyai,1978