Search results for: Ivan Gutman
Applied Mathematics Letters > 2012 > 25 > 10 > 1435-1438
Applied Mathematics Letters > 2010 > 23 > 7 > 739-742
Applied Mathematics Letters > 2009 > 22 > 11 > 1680-1684
Applied Mathematics Letters > 2006 > 19 > 10 > 1129-1133