@article{articlec83ab7d0,
title   = {Point interactions in one-dimensional quantum mechanics with coupled channels},
author = {Coutinho, Francisco Antônio Bezerra and Nogami, Y. and Toyama, F. M.},
year = {2004},
doi = {10.1088/0305-4470/37/8/010},
journal   = {Journal of Physics A: Mathematical and General}
}