TY - JOUR A1 - Berghammer, Rudolf A1 - Möller, Bernhard A1 - Struth, Georg T1 - Preface: relational and Kleene-algebraic methods in computer science T2 - Lecture Notes in Computer Science Y1 - 2019 UR - https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/59203 UR - https://nbn-resolving.org/urn:nbn:de:bvb:384-opus4-592035 SN - 978-3-540-22145-6 VL - 3051 SP - VII PB - Springer CY - Berlin ER -