Primeval Helium Abundance and the Primeval Fireball

7 MwRcH 1966 current. Therefore, the proposal made in Ref. 2, of abandoning the identification of the group generators with integrals of local currents, should be understood in the sense that one must renounce either the local commutativity of the transformed field, or its transformation law under the Poincard group being the same as for the original field.