Davis, C. L.; Maslen, E. N. On exact analytical solutions for the few-particle Schrödinger equation. II: The ground state of helium. (English) Zbl 0529.35065 Proc. R. Soc. Lond., Ser. A 384, 89-105 (1982). MSC: 35Q99 35C10 81Q05 35L20 35J10 70F07 × Cite Format Result Cite Review PDF Full Text: DOI
Davis, C. L.; Maslen, E. N.; Varghese, J. N. On exact analytical solutions for the few-particle Schrödinger equation. I: A perturbation study. (English) Zbl 0518.35055 Proc. R. Soc. Lond., Ser. A 384, 57-88 (1982). MSC: 35L20 35B20 81Q15 35P99 35J10 35Q99 × Cite Format Result Cite Review PDF Full Text: DOI