Combinatorial mathematical model and decision strategy for one-to-one pickup and delivery problem with 3D loading constraints. - Rémy Dupas; Igor Grebennik; Oleksandr S. Lytvynenko (CSIT, 2015)

Enumeration and Generation of Permutations with a Partially Fixed Order of Elements. - Yu. G. Stoyan; Igor V. Grebennik; Vyacheslav V. Kalashnikov; Oleksandr S. Lytvynenko (Int. J. Comb. Optim. Probl. Informatics, 2017)