TY - JOUR AU - Rygg, P. AU - Lehman, B. TI - A Note on an Equivalence Relation on aPurely Inseparable Field Extension JO - Canadian mathematical bulletin PY - 1969 SP - 175 EP - 178 VL - 12 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-017-3/ DO - 10.4153/CMB-1969-017-3 ID - 10_4153_CMB_1969_017_3 ER -