TY - RPRT TI - Relation between linear and nonlinear N=3,4 supergravity theories. AU - A Sevrin AU - K Thielemans AU - W Troost PY - 1993 DO - 10.1103/physrevd.48.2789 UR - https://pubmed.ncbi.nlm.nih.gov/10016524/ ID - 10016524 ER -