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Exotic Holomorphic Engel Structures on $$\mathbf {C}^4$$ C 4

Crossref DOI link: https://doi.org/10.1007/s12220-017-9918-9

Published Online: 2017-09-12

Published Print: 2018-07

Update policy: https://doi.org/10.1007/springer_crossmark_policy