Klitchieff, J.M.
Radojcic, M.
Karamata, J.
Buric, Milan
Kurepa, Georges
Locher-Ernst, L.
Radenkovic, R.
Saltykow, M.N.
Woronetz, C.
Angelitch, Tatomir
Karamata, J. ; Tomic, M.