P. Basarab-Horwath

Lie symmetry structure of nonlinear wave equations

F. Gungor, P. Basarab-Horwath, C.Ozemir, 2021 .

The Structure of Lie Algebras and the Classification Problem for Partial Differential Equations

P. Basarab-Horwath, R. Zhdanov, V. Lahno, 2000, math-ph/0005013.