%0 Journal Article %T The three-center hybrid and four-center electron repulsion integrals over Slater-type orbitals using Guseinov rotation-angular function %A R. Yassen %A M. Algarni %J International Journal of Contemporary Mathematical Sciences %D 2012 %I %U http://www.m-hikari.com/ijcms/ijcms-2012/37-40-2012/algarniIJCMS37-40-2012.pdf