@article{BSMF_1955__83__89_0,
     author = {Jongmans, F.},
     title = {\'Etude des p\'eriodes des formes harmoniques},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {89--102},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {83},
     year = {1955},
     doi = {10.24033/bsmf.1457},
     mrnumber = {19,315e},
     zbl = {0064.34302},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.1457/}
}