@article{article24f06e3b,
title   = {Energy-dependent point interaction: self-adjointness},
author = {Coutinho, Francisco Antônio Bezerra and Nogami, Y. and Tomio, Lauro and Toyama, F. M.},
year = {2006},
doi = {10.1139/p06-086},
journal   = {Canadian Journal of physics}
}