In:
Boček, Leo (editor); Horák, Karel (editor); Leischner, Pavel (editor); Moravčík, Jozef (editor); Šimša, Jaromír (editor); Töpfer, Pavel (editor): 43rd year of Mathematical Olympiad in high schools.
Report on solving problems from the competition held in the school year 1993/1994.
(Czech).
Olomouc:
Univerzita Palackého v Olomouci,
2016.
978-80-244-4927-7,
pp. 69-77