TY - JOUR T1 - Catoids and modal convolution algebras JO - Algebra universalis PY - 2023/02/25 AU - Fahrenberg U AU - Johansen C AU - Struth G AU - Ziemia艅ski K ED - DO - DOI: 10.1007/s00012-023-00805-9 PB - Springer Science and Business Media LLC VL - 84 Y2 - 2025/03/14 ER -