@article{701086,
     title = {On dual spaces of locally convex spaces defined by operator ideals},
     booktitle = {Abstracta. 5th Winter School on Abstract Analysis},
     series = {GDML\_Books},
     publisher = {Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1977},
     pages = {37-37},
     url = {http://dml.mathdoc.fr/item/701086}
}

Junek, H. On dual spaces of locally convex spaces defined by operator ideals, dans Abstracta. 5th Winter School on Abstract Analysis, GDML_Books,  (1977), p. 37. http://gdmltest.u-ga.fr/item/701086/