Belokon S. - Problem 1
Klinkov M. - Problem 2
Ericsson A. - Problem 3
Ericsson A. - Problem 4
Hildebrand A. - Problem 5
Koppelomaki J. - Problem 6
Richter F. - Problem 7
Tazberik J. - Problem 8
Gorgiev T. - Problem 9
Ericsson A. - Problem 10
