Dramé, S.A.A., Khoule, C. and Ndiaye, A. 2025. Linear deformations of closed non-singular 1-forms into even contact and Engel defining forms. Journal of the Tensor Society. 19, 01 (Jun. 2025), 1-13. DOI:https://doi.org/10.56424/jts.v19i01.247.