KAŠUBA, Romualdas; RUDALEVIČIENĖ, Regina. Is it possible with two words to touch three subjects?. Lietuvos matematikos rinkinys, [S. l.], v. 56, n. B, p. 63–69, 2015. DOI: 10.15388/LMR.B.2015.12. Disponível em: https://test.zurnalai.vu.lt/LMR/article/view/17713. Acesso em: 27 oct. 2025.