TY - JOUR AU - Vasyl Gorkavyy TI - On pseudospherical surfaces in $E^4$ with Grassmann image of prescribed type JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2006 SP - 138 EP - 148 VL - 2 IS - 2 UR - http://geodesic.mathdoc.fr/item/JMAG_2006_2_2_a2/ LA - en ID - JMAG_2006_2_2_a2 ER -