Propeller effect in two brightest transient X-ray pulsars: 4U 0115+63 and V 0332+53 S. S. Tsygankov, A. A. Lutovinov, V. Doroshenko, A. A. Mushtukov, V. Suleimanov and J. Poutanen A&A, 593 (2016) A16 Published online: 30 August 2016 DOI: 10.1051/0004-6361/201628236