ERRATUM On zero-curvature representations of partial differential equations by M. Marvan, Opava Received 23 December 1995 The following table shows some regrettable typing errors admitted in the printed version: | p. | l. | incorrect | to be replaced by | |-----+-----+-------------------------+----------------------------| | 103 | +11 | for m > 3 we prove | for m > 2 we prove | |-----+-----+-------------------------+----------------------------| | 119 | -9 | P_m = 0 | P_{m-1} = 0 | |-----+-----+-------------------------+----------------------------| | 121 | +8 | D_{xy} r | D_{xy} r | | | | + 2 b_{12} a_{21} r | + 2 b_{12} a_{21} r | | | | - g'r = 0 | + a{12} r - g'r = 0 | |-----+-----+-------------------------+----------------------------| | 121 | +10 | -2 a_{21} D_y r | -2 D_x r - 2 a_{21} D_y r | | | | - 2 r D_y a_{21} | - 2 r D_y a_{21} | | | | - 4 r b_{11} a_{21} | - 4 r b_{11} a_{21} | | | | = 0 | = 0 | |-----+-----+-------------------------+----------------------------| | 121 | -17 | B = \pmatrix | B = \pmatrix | | | | \frac12 c u_y & M/K \\ | -\frac12 c u_y & M/K \\ | | | | 1 & -\frac12 c u_y | 1 & \frac12 c u_y | | | | \endpmatrix | \endpmatrix | |-----+-----+-------------------------+----------------------------| | 121 | -7 | I.N. Berstein | I.N. Bernstein | The e-mail address marvan@adelard.dcs.muni.cs is no longer valid. Current address is: Michal.Marvan@fpf.slu.cz