@misc{CM_1990__76_1-2_R7_0,
     title = {Preface},
     journal = {Compositio Mathematica},
     pages = {vii--vii},
     publisher = {Kluwer Academic Publishers},
     volume = {76},
     number = {1-2},
     year = {1990},
     language = {en},
     url = {http://www.numdam.org/item/CM_1990__76_1-2_R7_0/}
}