About some bivariate operators of Stancu type. Farcaş, Mircea D. — 2009 Acta Universitatis Apulensis. Mathematics - Informatics
About approximation of B-continuous functions of three variables by GBS operators of Bernstein type on a tetrahedron. Farcaş, Mircea D. — 2008 Acta Universitatis Apulensis. Mathematics - Informatics
Approximation of B -Continuous and B -Differentiable functions by GBS operators of Bernstein bivariate polynomials. Pop, Ovidiu T.; Farcas, Mircea — 2006 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
About a class of linear positive operators obtained by choosing the nodes. Pop, Ovidiu T.; Farcas, Mircea — 2009 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
On a general class of linear and positive operators. Pop, Ovidiu T.; Fărcaş, Mircea D.; Bărbosu, Dan — 2011 Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică