@article{1183497112,
author = {Latshaw, V. V.},
title = {The algebra of self-adjoint boundary-value problems},
journal = {Bull. Amer. Math. Soc.},
volume = {39},
number = {12},
year = {1933},
pages = { 969-978},
language = {en},
url = {http://dml.mathdoc.fr/item/1183497112}
}
Latshaw, V. V. The algebra of self-adjoint boundary-value problems. Bull. Amer. Math. Soc., Tome 39 (1933) no. 12, pp. 969-978. http://gdmltest.u-ga.fr/item/1183497112/