1
by Bajaj, Y. P. S.
Published 1989
Springer Berlin Heidelberg

2
by Bajaj, Y. P. S.
Published 1988
Springer Berlin Heidelberg

3
by Bajaj, Y. P. S.
Published 1992
Springer Berlin Heidelberg

4
by Bajaj, Y. P. S.
Published 1996
Springer Berlin Heidelberg