Halász, Zoltán
House Budapest, 1960
Buku Teks SO
Pannonia Press , 1966
Buku Teks SO
New York Frederick A. Praeger 1962
Buku Teks
Roberth Rosen
[Springer, ], 2012
eBooks
edited by Dora Wiebenson and Jozsef Sisa ; contributions by Pal Lovei [and others]
MIT Press, 1998
Buku Teks SO