@inproceedings{paperid:1081067, author = {Hooti, Fatemeh and Ahmadi, Jafar}, title = {Optimal Warranty Length for a Repairable System with Frailty Random Variable}, booktitle = {The 6th Seminar on Reliability Theory and its Applications}, year = {2020}, location = {Babolsar, IRAN}, keywords = {Frailty Model; Minimal Repair; Optimization; Cost Function}, }