@Article{ Esquivel-Olea_López-Rosa_SÁNCHEZ-DEHESA,

author = { Rodolfo Octavio Esquivel-Olea and Sheila López-Rosa and JESÚS SÁNCHEZ-DEHESA MORENO-CID } ,

title = { Correlation energy as a measure of non-locality: Quantum entanglement of helium-like systems },

journal = { Europhysics Letters },

year = { 2015 },

volume = { 111 },

pages = { 40009- },

}