Ekkarath ThailertNaresuan UniversityMahidol University2018-11-232018-11-232015-01-01Thai Journal of Mathematics. Vol.13, No.2 (2015), 433-449168602092-s2.0-84940851021https://repository.li.mahidol.ac.th/handle/123456789/36204© 2015 by the Mathematical Association of Thailand. All rights reserved. The article is devoted to the equivalence problem for the class of linear second order parabolic equations, the first (formula presented) to be equivalent to (0.1)-(0.2) are obtained.Mahidol UniversityMathematicsArticleSCOPUS