Set-theoretical properties of extreme combinatorial problems. Plotnikov, Anatoly D. — 1996 Southwest Journal of Pure and Applied Mathematics [electronic only]
Polynomial-time partition of a graph into cliques. Plotnikov, Anatoly D. — 1996 Southwest Journal of Pure and Applied Mathematics [electronic only]
A logical model of HCP. Plotnikov, Anatoly D. — 2001 International Journal of Mathematics and Mathematical Sciences