@misc{oai:chuo-u.repo.nii.ac.jp:00011760, author = {MITSUMATSU, Yoshihiko}, month = {Apr}, note = {application/pdf, The aim of this paper is to extend basic understanding of Engel structures through developing geometric constructions which are canonical to a certain degree and the dynamics of Cauchy characteristics in the transverse spaces which may exhibit elliptic, parabolic, or hyperbolic natures in typical cases.}, title = {Geometry and dynamics off Engell sttrructturres}, year = {2018} }