@article{MAN_1973__202_162410,
     author = {E.M. Klein},
     title = {More {Algebraic} {Properties} of {Toeplitz} {Operators.}},
     journal = {Mathematische Annalen},
     pages = {203--208},
     publisher = {mathdoc},
     volume = {202},
     year = {1973},
     zbl = {0234.47030},
     url = {http://geodesic.mathdoc.fr/item/MAN_1973__202_162410/}
}