Dabrišienė, Vilija, and Bronė Narkevičienė. “Competition in Mathematics As a Form of Educating Gifted Children: Kaunas Case Study”. Lietuvos Matematikos Rinkinys, vol. 42, no. spec., Dec. 2002, pp. 386–390, https://doi.org/10.15388/LMR.2002.32937.