Author: Valeriy A. YUMAGUZHIN
A local classification of regular 3-order linear ordinary differential equations with respect to contact transformations is given.
This preprint is extended version of a paper published in Journal of Differential Geometry and Its Applications Vol. 6, No. 4, pp. 343-350, 1996.
20 pages. AmS-TeX. To compile source files (.tex) one needs
the title page style files titams.tex.