@book{MSMF_1983_2_9-10__1_0,
     author = {Halperin, S.},
     title = {Lectures on minimal models},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {9-10},
     year = {1983},
     doi = {10.24033/msmf.294},
     mrnumber = {85i:55009},
     zbl = {0536.55003},
     language = {en},
     url = {http://archive.numdam.org/item/MSMF_1983_2_9-10__1_0/}
}