@article{RM_1988_43_4_a27,
     author = {A. E. Shishkov},
     title = {The {Phragm\'en--Lindel\"of} principle for quasi-linear divergent higher order elliptic equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {237--238},
     publisher = {mathdoc},
     volume = {43},
     number = {4},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1988_43_4_a27/}
}