@article{MS2_1965__16_165905,
     author = {E.R. Deal},
     title = {A {Quasi-Spectral} {Operator.}},
     journal = {Mathematica Scandinavica},
     pages = {29--32},
     publisher = {mathdoc},
     volume = {16},
     year = {1965},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MS2_1965__16_165905/}
}