@Article{ PORRAS:4391-4398,

author = { JOSÉ IGNACIO PORRAS SÁNCHEZ } ,

title = { A 2-PARAMETER SINGLE-PARTICLE DESCRIPTION OF THE GROUND-STATE OF 2-ELECTRON ATOMS },

journal = { Journal of Physics B: Atomic, Molecular and Optical Physics },

year = { 1995 },

volume = { 28 },

pages = { 4391-4398 },

}