@article{GDZPPN001259873, title = {Second order incomplete expiring Cauchy problems.}, journal = {Semigroup forum}, volume = {38}, year = {1989}, pages = {75-84}, url = {http://dml.mathdoc.fr/item/GDZPPN001259873} }
Laubenfels, R. de. Second order incomplete expiring Cauchy problems.. Semigroup forum, Tome 38 (1989) pp. 75-84. http://gdmltest.u-ga.fr/item/GDZPPN001259873/