@article{10_4153_CJM_1970_083_2,
     author = {Clements, John C.},
     title = {Existence {Theorems} for {Some} {Non-Linear} {Equations} of {Evolution}},
     journal = {Canadian journal of mathematics},
     pages = {726--745},
     year = {1970},
     volume = {22},
     number = {4},
     doi = {10.4153/CJM-1970-083-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-083-2/}
}