%0 Journal Article %A Yu. P. Irkhin %T Taking account of electron correlation in the method of second quantization %J Doklady Akademii Nauk %D 1972 %P 783-786 %V 203 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_203_4_a14/ %G ru %F DAN_1972_203_4_a14