@article{10_4064_ap_13_3_309_326,
     author = {W. Pawelski},
     title = {Remarques sur des in\'egalit\'es mixtes entre les int\'egrales des \'equations aux d\'eriv\'ees partielles du premier ordre},
     journal = {Annales Polonici Mathematici},
     pages = {309--326},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1963},
     doi = {10.4064/ap-13-3-309-326},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-13-3-309-326/}
}