@misc{indiciae93bf737b0f05, title = {Discrete variable representation for singular Hamiltonians.}, author = {Barry I Schneider and Nicolai Nygaard}, year = {2004}, doi = {10.1103/physreve.70.056706}, url = {https://pubmed.ncbi.nlm.nih.gov/15600795/}, note = {Source identifier: 15600795} }