Text ( visual ) : unmediated Hecke's L-functions : Spring, 1964 / Kenkichi Iwasawa. -- : pbk. -- Singapore : Springer , c2019. -- xi, 93 p. ; 24 cm. -- (SpringerBriefs in mathematics). -- Includes bibliographical references (p. 93) ; foreword by John Coates, Masato Kurihara. -- ISBN 9789811394942 ; (BB28933518) ; https://ci.nii.ac.jp/ncid/BB28933518 Author Heading(s): 岩沢, 健吉 ; Coates, J. ; 栗原, 将人