@Article{ SÁNCHEZ-DEHESA_ANGULO_KOGA:3-8,
author = { JESÚS SÁNCHEZ-DEHESA MORENO-CID and JUAN CARLOS ANGULO IBÁÑEZ and T. KOGA } ,
title = { THE ELECTRON-PAIR DENSITY OF ATOMIC SYSTEMS: RIGOROUS BOUNDS AND APPLICATION TO HELIUM },
journal = { ZEITSCHRIFT FÜR PHYSIK D },
year = { 1992 },
issn = { 0178-7683 },
pages = { 3-8 },
}