@article{CM_1954-1956__12__157_0,
     author = {Sato, Tokui},
     title = {Sur l{\textquoteright}\'equation aux d\'eriv\'ees partielles $\Delta z = f(x, y, z, p, q)$},
     journal = {Compositio Mathematica},
     pages = {157--177},
     publisher = {Kraus Reprint},
     volume = {12},
     year = {1954-1956},
     zbl = {0059.09501},
     language = {fr},
     url = {http://www.numdam.org/item/CM_1954-1956__12__157_0/}
}