TY - JOUR AU - Kristyan, Sandor TI - Variational calculation with general density functional to solve the electronic Schrödinger equation directly for ground state: a recipe for self-consistent field solution JO - Journal of Theoretical and Applied Physics VL - 0 IS - 1 SP - 0 EP - 0 PY - 2013 DO - 10.1186/2251-7235-7-61 ER -