41
42
43
by Bender, Dietrich
Published: 1977
Book
44
by Blohincev, Dmitrij Ivanovič
Published: 1976
Book
45
by Gladkov, K.
Published: 1972
Book
46
47
48
by Ikeda, Mineo
Published: 1965
Book
49
50
by Cartan, Louis
Published: 1937
Book
51
52
by Sesmat, Augustin
Published: 1937
Book
53
by Gáspár Gyula
Published: 1973
Book
54
55
56
57
by Klein, Christoph
Published: cop. 1988
Book
58
by Szamosi Géza
Published: 1956
Book
59
60
Book