1
by Bolyai János (1802-1860)
Published: 1952
Book
2
3
4
by Bolyai János (1802-1860)
Published: 1977, c1973
Book
5
6
7
8
9
10
11
by Bolyai János (1802-1860)
Published: 1973
Book
12
by Kárteszi Ferenc (1907-1989)
Published: 1976
Book
13
by Kárteszi Ferenc (1907-1989)
Published: 1972
Book
14
by Kárteszi Ferenc (1907-1989)
Published: 1948
Book
15
by Kárteszi Ferenc (1907-1989)
Published: 1949
Book
16
by Kárteszi Ferenc (1907-1989)
Published: 1974
Book
17
by Kárteszi Ferenc (1907-1989)
Published: 1949
Book
18
by Kárteszi Ferenc (1907-1989)
Published: 1978
Book
19
by Kárteszi Ferenc (1907-1989)
Published: 1980
Book
20