@article{MV_1977_29_1_a21,
     author = {B. Rachajsky},
     title = {Sur l'int\'egrabilit\'e compl\`ete dans la theorie des \'equations aux d\'eriv\'ees partielles du second ordre},
     journal = {Matemati\v{c}ki vesnik},
     pages = {189 },
     year = {1977},
     volume = {29},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MV_1977_29_1_a21/}
}