Revision history of "Hungarian problem book. Originally compiled by Jozsef Kurschak, rev. and edited by G. Hajos, G. Neukomm & J. Surany, author of renewable matter: Yale University, as proprietor of copyright in a work made for hire of Elvira Rapaport and Gabor Szego." (Q228164)
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.