"On the sign of Colombeau functions and applications to conservation laws"@en . . "20"^^ . . . . "On the sign of Colombeau functions and applications to conservation laws" . . "2" . . . "2"^^ . . . "P(GA201/08/0315), Z(MSM0021620839)" . "On the sign of Colombeau functions and applications to conservation laws"@en . "[86DAB750B26F]" . . . . . "331590" . "RIV/00216208:11320/09:00206973" . "1"^^ . "50" . "0010-2628" . "Colombeau; functions; applications; conservation; laws"@en . . . "Commentationes Mathematicae Universitatis Carolinae" . . "CZ - \u010Cesk\u00E1 republika" . "11320" . "We introduce sign of functions in the context of Colombeau algebras. This concept it then used to characterize entropy solutions for simple conservation equations." . . "We introduce sign of functions in the context of Colombeau algebras. This concept it then used to characterize entropy solutions for simple conservation equations."@en . . . "On the sign of Colombeau functions and applications to conservation laws" . "Jel\u00EDnek, Ji\u0159\u00ED" . "RIV/00216208:11320/09:00206973!RIV10-GA0-11320___" . "Pra\u017E\u00E1k, Dalibor" .