@article{articlea6ed2784,
title   = {A discontinuous Colombeau differential calculus},
author = {Aragona Vallejo, Alfredo Jorge and Fernandez, Roseli and Juriaans, Orlando Stanley},
year = {2005},
doi = {10.1007/s00605-004-0257-0},
journal   = {Monatshefte fur Mathematik}
}