@article{MT_2002_5_2_a1,
     author = {B. V. Bazalii and N. V. Krasnoshchek},
     title = {Regularity of {a~Solution} to {the~Multidimensional} {Free} {Boundary} {Problem} for {the~Porous} {Medium} {Equation}},
     journal = {Matemati\v{c}eskie trudy},
     pages = {38--91},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2002_5_2_a1/}
}