@article{urn:eudml:doc:43969, title = {Approximation of functions by linear combinations of exponentials.}, journal = {Collectanea Mathematica}, year = {1965}, pages = {145-177}, zbl = {0168.31502}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:43969} }
Balaguer Sunyer, F. Approximation of functions by linear combinations of exponentials.. Collectanea Mathematica, (1965), pp. 145-177. http://gdmltest.u-ga.fr/item/urn:eudml:doc:43969/