TY  - RPRT
TI  - Boundary conditions and spurious solutions in envelope-function theory.
AU  - MJ Godfrey
AU  - AM Malik
PY  - 1996
DO  - 10.1103/physrevb.53.16504
UR  - https://pubmed.ncbi.nlm.nih.gov/9983493/
ID  - 9983493
ER  -