MANSTAVIČIUS, Eugenijus. On analytic problems of combinatorial structures. Lietuvos matematikos rinkinys, [S. l.], v. 39, n. III, p. 75–80 , 1999. DOI: 10.15388/LMR.1999.35482. Disponível em: https://www.journals.vu.lt/LMR/article/view/35482.. Acesso em: 21 nov. 2024.