Volume IX, No.
1976-04-01
r r r r l r F I . ' ~r r r r r r r I rI rl r 1I l F r EDITORIAL NOTES -- Prof. H. Hanko From time to time we receive correspondence from our Journal readers in which you express your opinion of the various articles which. appear. Sometimes you write questions concerning the ideas expressed. We appreciate such correspondence and promise to answer those letters which ask for an answer. Let us hear from you. * * * * * In this issue we have...