1
by Jeroslow, Robert G.
Published 1989
North-Holland

2
by Chorafas, Dimitris N.
Published 1965
Elsevier Science

3
by Cohon, Jared L.
Published 1978
Academic Press

4
by Kaufmann, A.
Published 1968
Academic Press

5
by Sawaragi, Yoshikazu
Published 1967
Elsevier Science

6
by Jaiswal, N. K.
Published 1968
Elsevier Science

7
by Hörmander, Lars
Published 1979
North-Holland Pub. Co.