KÁSA Z. 200 ÉVE SZÜLETETT BOLYAI JÁNOS - 200 DE ANI DE LA NAŞTEREA LUI JÁNOS BOLYAI - 200 YEARS SINCE THE BIRTH OF JÁNOS BOLYAI [Internet]. Presa Universitară Clujeană; 2002 [cited 2026 May 17]. Available from: https://editura.ubbcluj.ro/index.php/puc/catalog/book/430