@article{1183500141,
author = {Latshaw, V. V.},
title = {On fourth order self-adjoint difference systems},
journal = {Bull. Amer. Math. Soc.},
volume = {43},
number = {12},
year = {1937},
pages = { 851-855},
language = {en},
url = {http://dml.mathdoc.fr/item/1183500141}
}
Latshaw, V. V. On fourth order self-adjoint difference systems. Bull. Amer. Math. Soc., Tome 43 (1937) no. 12, pp. 851-855. http://gdmltest.u-ga.fr/item/1183500141/