41
by Lorenzen, Paul
Published 1955
Springer Berlin Heidelberg

42
by Jungnickel, Dieter
Published 1999
Springer Berlin Heidelberg

43
by Dalen, Dirk
Published 1994
Springer Berlin Heidelberg

44
by Dalen, Dirk
Published 1983
Springer Berlin Heidelberg

45
by Krob, Daniel
Published 2000
Springer Berlin Heidelberg

46
by Ebbinghaus, Heinz-Dieter, Flum, Jörg
Published 1995
Springer Berlin Heidelberg

47
by Tettamanzi, Andrea, Tomassini, Marco
Published 2001
Springer Berlin Heidelberg

48
by Böröczky, Károly
Published 2003
Springer Berlin Heidelberg

49
by Hilbert, D., Ackermann, W.
Published 1967
Springer Berlin Heidelberg

50
by Bürgisser, Peter, Clausen, Michael, Shokrollahi, Mohammad Amin
Published 1997
Springer Berlin Heidelberg

51
by Spencer, Joel
Published 2001
Springer Berlin Heidelberg

52
by Schwabhäuser, Wolfram, Szmielew, Wanda, Tarski, Alfred
Published 1983
Springer Berlin Heidelberg

53
by Trigub, Roald M., Bellinsky, Eduard S.
Published 2004
Springer Netherlands

54
by Gessel, Ira
Published 1987
Birkhäuser Boston

55
by Polkowski, Lech
Published 2002
Physica-Verlag HD

56
Published 2002
Physica-Verlag HD

57
by Walther, Hansjoachim, Nägler, Günter
Published 1987
Springer Vienna

58
by Mordeson, John N., Nair, Premchand S.
Published 2001
Physica-Verlag HD

59
Published 1995
Springer Vienna

60
by Volkmann, Lutz
Published 1996
Springer Vienna