TY - JOUR AU - Michalec, Paweł TI - The canonical tensor fields of type $(1,1)$ on $(J^r(\odot ^2 T^{\ast }))^{\ast }$ JO - Archivum mathematicum PY - 2003 SP - 247 EP - 256 VL - 39 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2003__39_3_a9/ LA - en ID - ARM_2003__39_3_a9 ER -