@article{PSMIR_1976___1_A5_0,
     author = {Bolley, P. and Camus, J.},
     title = {R\'egularit\'e pour des syst\`emes \`a coefficients constants},
     journal = {Publications des s\'eminaires de math\'ematiques et informatique de Rennes},
     eid = {5},
     pages = {1--19},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {1},
     year = {1976},
     language = {fr},
     url = {http://archive.numdam.org/item/PSMIR_1976___1_A5_0/}
}