TY - RPRT TI - Variational solution for modal wave-front projection functions of minimum-error norm. AU - C J Solomon AU - G C Loos AU - S Rios PY - 2001 DO - 10.1364/josaa.18.001519 UR - https://pubmed.ncbi.nlm.nih.gov/11444543/ ID - 11444543 ER -