Approximation Algorithms for the Maximum Internal Spanning Tree Problem. - Gábor Salamon (MFCS, 2007)

On finding spanning trees with few leaves. - Gábor Salamon; Gábor Wiener (Inf. Process. Lett., 2008)

Vulnerability bounds on the number of spanning tree leaves. - Gábor Salamon (Ars Math. Contemp., 2009)

Approximating the Maximum Internal Spanning Tree problem. - Gábor Salamon (Theor. Comput. Sci., 2009)

A Survey on Algorithms for the Maximum Internal Spanning Tree and Related Problems. - Gábor Salamon (Electron. Notes Discret. Math., 2010)