TY - JOUR AU - Jacek Gancarzewicz TI - Some vector subbundles of a cotangent bundle of order 2 JO - Annales Polonici Mathematici PY - 1983 SP - 13 EP - 21 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-43-1-13-21/ DO - 10.4064/ap-43-1-13-21 LA - en ID - 10_4064_ap_43_1_13_21 ER -