"Hencl, Stanislav" . . "Bi-Sobolev mappings and elliptic equations in the plane" . . . "Journal of Mathematical Analysis and Applications" . "1"^^ . . "11320" . "P(GP201/06/P100), Z(MSM0021620839)" . "Bi-Sobolev mappings and elliptic equations in the plane" . . "Bi-Sobolev; mappings; elliptic; equations; plane"@en . "Suppose that $f=(u,v)$ is a homeomorphism in the plane of the Sobolev class $W^{1,1}_{\\loc}$ such that its inverse is of the same Sobolev class. We prove that $u$ and $v$ have the same set of critical points. We study similar question in higher dimension." . . "0022-247X" . . "Bi-Sobolev mappings and elliptic equations in the plane"@en . "Bi-Sobolev mappings and elliptic equations in the plane"@en . "Sbordone, C." . . "RIV/00216208:11320/09:00206656!RIV10-GA0-11320___" . . "di Napoli, A. P." . . . "11"^^ . "355" . . "1" . . . "[97321A229DE4]" . . . "Moscariello, G." . "RIV/00216208:11320/09:00206656" . . . "Suppose that $f=(u,v)$ is a homeomorphism in the plane of the Sobolev class $W^{1,1}_{\\loc}$ such that its inverse is of the same Sobolev class. We prove that $u$ and $v$ have the same set of critical points. We study similar question in higher dimension."@en . "000265801800003" . "305288" . "4"^^ . . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" .