Don Johnson Alfred Menezes Scott A. Vanstone The Elliptic Curve Digital Signature Algorithm (ECDSA). 36-63 2001 1 Int. J. Inf. Sec. 1 https://doi.org/10.1007/s102070100002 https://www.wikidata.org/entity/Q56854181 db/journals/ijisec/ijisec1.html#JohnsonMV01