@article{TSG_1990-1991__9__141_0, author = {Jacques Gasqui}, title = {Rigidit\'e infinit\'esimale et g\'eom\'etrie de la quadrique complexe de dimension 4}, journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie}, pages = {141--152}, publisher = {Institut Fourier}, address = {Grenoble}, volume = {9}, year = {1990-1991}, zbl = {0739.53042}, mrnumber = {1715937}, language = {fr}, url = {https://tsg.centre-mersenne.org/item/TSG_1990-1991__9__141_0/} }