TY - BOOK AU - Gripenberg, G. AU - Londen, S O AU - Staffans, O TI - Volterra integral and functional equations T2 - Encyclopedia of Mathematics and its Applications; v 34 SN - 0-521-37289-5 PY - 1990/// CY - Cambridge PB - Cambridge University Press KW - Mathematical Functions KW - NASA Thesaurus ER -