TY - RPRT TI - Purely cubic action for string field theory. AU - GT Horowitz AU - J Lykken AU - R Rohm AU - A Strominger PY - 1986 DO - 10.1103/physrevlett.57.283 UR - https://pubmed.ncbi.nlm.nih.gov/10034020/ ID - 10034020 ER -