Approximate ad hoc parametric solutions for nonlinear first-order PDEs governing two-dimensional steady vector fields. Markakis, M.P. — 2010 Mathematical Problems in Engineering
Exact solutions for certain nonlinear autonomous ordinary differential equations of the second order and families of two-dimensional autonomous systems. Markakis, M.P. — 2010 International Journal of Differential Equations
Use of a strongly nonlinear Gambier equation for the construction of exact closed form solutions of nonlinear ODEs. Markakis, M.P. — 2007 International Journal of Mathematics and Mathematical Sciences