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\bibitem{Gonzalez_etal1997} {\textquotedblleft}\textit{Pad{\'e} approximants for the groundstate energy of closed-shell quantum dots}{\textquotedblright}. Gonzalez A, Partoens B, Peeters FM, Physical review : B : condensed matter and materials physics \textbf{56}, 15740 (1997).   http://doi.org/10.1103/PhysRevB.56.15740

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