Central European olympiad mathematical duel
Geretschlager, R
Central European olympiad mathematical duel R. Geretschlager et al - New ajersey World Scientific 2018 - ix 281
Problem solving in mathematics & beyond 7
9789813223905
Central European olympiad mathematical duel R. Geretschlager et al - New ajersey World Scientific 2018 - ix 281
Problem solving in mathematics & beyond 7
9789813223905