@article{paperid:1020364,
author = {Rezaiee Pajand, Mohaamad and  -,  -},
title = {On the integration schemes for Drucker–Prager’s elastoplastic models based on exponential maps},
journal = {Intenational Journal for Numerical Methods in Engineering},
year = {2008},
volume = {74},
number = {10},
month = {October},
issn = {0029-5981},
pages = {799--826},
			numpages = {27},
keywords = {numerical integration; exponential maps; augmented stress vector; integrating factor;
Drucker–Prager},
}