@article{MS2_1994__75_2_167318,
     author = {Gregor Dieckmann},
     title = {Korovkin {Theory} in {Lindenstrauss} {Spaces.}},
     journal = {Mathematica Scandinavica},
     pages = {240--254},
     publisher = {mathdoc},
     volume = {75},
     number = {2},
     year = {1994},
     zbl = {0822.41019},
     url = {http://geodesic.mathdoc.fr/item/MS2_1994__75_2_167318/}
}