@article{paperid:1040841, author = {Jarrahi Feriz, Jalil and Mohtashami Borzadaran, Gholam Reza and Rezaei Roknabadi, Abdolhamid}, title = {Proportional Ratios Orders Based on Laplace Transforms}, journal = {Journal of Applied Mathematics, Statistics and Informatics}, year = {2013}, volume = {9}, number = {2}, month = {December}, issn = {1336-9180}, pages = {63--72}, numpages = {9}, keywords = {Laplace transform; Stochastic order; likelihood ratio order; (reversed) hazard rate order}, }