@article{1181072629, author = {Tomastik, E.C.}, title = {Sturmian Theory for Nonselfadjoint Systems}, journal = {Rocky Mountain J. Math.}, volume = {24}, number = {1}, year = {1993}, pages = { 367-378}, language = {en}, url = {http://dml.mathdoc.fr/item/1181072629} }
Tomastik, E.C. Sturmian Theory for Nonselfadjoint Systems. Rocky Mountain J. Math., Tome 24 (1993) no. 1, pp. 367-378. http://gdmltest.u-ga.fr/item/1181072629/