Applicability of the schrödinger perturbation theory to bound states
1987 ◽
Vol 20
(20)
◽
pp. 5267-5273
◽
1985 ◽
Vol 18
(9)
◽
pp. 1379-1388
◽
2018 ◽
Vol 33
(02)
◽
pp. 1850009
◽
2004 ◽
Vol 44
(3)
◽
pp. 219-236
◽
2020 ◽
1972 ◽
Vol 6
(4)
◽
pp. 609-611
◽
2020 ◽
pp. 119-124