@article{MZM_2012_92_2_a8, author = {S. N. Oshchepkova and O. M. Penkin and D. Savasteev}, title = {Strong {Maximum} {Principle} for {an~Elliptic} {Operator} on {a~Stratified} {Set}}, journal = {Matemati\v{c}eskie zametki}, pages = {276--290}, publisher = {mathdoc}, volume = {92}, number = {2}, year = {2012}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2012_92_2_a8/} }