Kastickaitė J, Banionis J. Teaching of differential and integral calculation basics in Lithuanian schools after the teaching reform in mathematics (in 1929–1940). LMR [Internet]. 2010 Dec. 21 [cited 2024 Apr. 27];51(proc. LMS):198–203. Available from: https://www.journals.vu.lt/LMR/article/view/17806