2 citations to https://www.mathnet.ru/rus/im743

1. Wachtel V., “Transition phenomena for ladder epochs of random walks with small negative drift”, Adv. Appl. Probab., 41:4 (2009), 1189–1214            
2. Vitali Wachtel, “Transition phenomena for ladder epochs of random walks with small negative drift”, Adv. Appl. Probab., 41:04 (2009), 1189