@article{GDZPPN002538989, title = {Algebraic theory of Atkinson operators}, journal = {Revista colombiana de matematicas}, volume = {2}, year = {1968}, pages = {137-143}, zbl = {0207.45201}, url = {http://dml.mathdoc.fr/item/GDZPPN002538989} }
Heuser, Harro. Algebraic theory of Atkinson operators. Revista colombiana de matematicas, Tome 2 (1968) pp. 137-143. http://gdmltest.u-ga.fr/item/GDZPPN002538989/