@misc{10_21136_CMJ_1972_101103,
     title = {Communication. {[EQUADIFF} {III} {Announcement]}},
     journal = {Czechoslovak Mathematical Journal},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1972},
     doi = {10.21136/CMJ.1972.101103},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101103/}
}