Apynis, Antanas, Eugenijus Stankus, and Juozas Šinkūnas. “The Lithuanian School for Young Mathematicians: Reality and Perspective”. Lietuvos matematikos rinkinys 39, no. III (December 17, 1999): 239–241 . Accessed November 21, 2024. https://www.journals.vu.lt/LMR/article/view/35572.