Effect of rf on subharmonic gap structure in superconducting junctions O. Hoffmann Soerensen, B. Kofoed, N.F. Pedersen et S. ShapiroRev. Phys. Appl. (Paris), 9 1 (1974) 153-155DOI: https://doi.org/10.1051/rphysap:0197400901015300
