@article{701857,
title = {On certain quantities in Fredholm operator theory and Mil'man's isometry spectrum},
booktitle = {Proceedings of the 13th Winter School on Abstract Analysis},
series = {GDML\_Books},
publisher = {Circolo Matematico di Palermo},
address = {Palermo},
year = {1985},
pages = {[17]-24},
zbl = {0659.47014},
url = {http://dml.mathdoc.fr/item/701857}
}
Beucher, O. J. On certain quantities in Fredholm operator theory and Mil'man's isometry spectrum, dans Proceedings of the 13th Winter School on Abstract Analysis, GDML_Books, (1985), pp. [17]-24. http://gdmltest.u-ga.fr/item/701857/