1. ON SUPERCONVERGENT SPLINE COLLOCATION METHODS FOR THE RADIOSITY EQUATION. Authors: SANDA MICULA.2. ON SOME GEOMETRIC PROPERTIES OF THE RADIOSITY EQUATION. Authors: SANDA MICULA.3. ON SOME NUMERICAL ITERATIVE METHODS FOR FREDHOLM INTEGRAL EQUATIONS WITH DEVIATING ARGUMENTS. Authors: SANDA MICULA.4. A NUMERICAL METHOD FOR TWO-DIMENSIONAL HAMMERSTEIN INTEGRAL EQUATIONS. Authors: SANDA MICULA.