Robuta

https://www.fit.vut.cz/research/result/c169178/.cs Sequences of Groups, Hypergroups and Automata of Linear Ordinary Differential Operators differential operators sequences groups automata linear https://www.its.ac.id/matematika/en/international-guest-lecture-two-generalizations-of-groups-hypergroups-and-n-groups-2/hypergroups-and-n-groups-1-2/ hypergroups and n-groups 1 - Departemen Matematika ITS hypergroups departemen matematika