Author: Borodin, Oleg V.

Borodin, Oleg V.: An extension of Kotzig's theorem on the minimum weight of edges in $3$-polytopes. (English). Mathematica Slovaca, vol. 42 (1992), issue 4, pp. 385-389
Borodin, Oleg V.: Precise lower bound for the number of edges of minor weight in planar maps. (English). Mathematica Slovaca, vol. 42 (1992), issue 2, pp. 129-142
Borodin, Oleg V.: A structural property of planar graphs and the simultaneous colouring of their edges and faces. (English). Mathematica Slovaca, vol. 40 (1990), issue 2, pp. 113-116