@article{CM_1973__26_1_31_0, author = {Hassett, Matthew J.}, title = {Extension pathology in regressive isols}, journal = {Compositio Mathematica}, pages = {31--39}, publisher = {Noordhoff International Publishing}, volume = {26}, number = {1}, year = {1973}, mrnumber = {314607}, zbl = {0257.02037}, language = {en}, url = {http://www.numdam.org/item/CM_1973__26_1_31_0/} }