Modeling of the radial heat flow and cooling processes in a deep ultraviolet Cu + Ne-CuBr laser. Iliev, Iliycho Petkov; Gocheva-Ilieva, Snezhana Georgieva; Temelkov, Krassimir Angelov; Vuchkov, Nikolay Kirilov; Sabotinov, Nikola Vassilev — 2009 Mathematical Problems in Engineering