TY - JOUR AU - DalĂ­k, Josef TI - A Petrov-Galerkin approximation of convection-diffusion and reaction-diffusion problems JO - Applications of Mathematics PY - 1991 SP - 329 EP - 354 VL - 36 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1991.104471/ DO - 10.21136/AM.1991.104471 LA - en ID - 10_21136_AM_1991_104471 ER -