1
by Bejancu, Aurel
Published 1986
Springer Netherlands

2
by Bejancu, Aurel, Farran, Hani Reda
Published 2000
Springer Netherlands

3
by Duggal, Krishan L., Bejancu, Aurel
Published 1996
Springer Netherlands

4
by Bejancu, Aurel, Farran, Hani Reda
Published 2006
Springer Netherlands