@misc{indiciae0629b8efe464, title = {ON WEYL'S IMBEDDING PROBLEM.}, author = {A Wintner}, year = {1956}, doi = {10.1073/pnas.42.3.157}, url = {https://pubmed.ncbi.nlm.nih.gov/16589841/}, note = {Source identifier: 16589841} }