TY  - RPRT
TI  - Partial Differential Equations and Generalized Analytic Functions.
AU  - L Bers
PY  - 1950
DO  - 10.1073/pnas.36.2.130
UR  - https://pubmed.ncbi.nlm.nih.gov/16588958/
ID  - 16588958
ER  -