@article{paperid:1031062,
author = {Majid Vafaei Jahan and Akbarzadeh Totonchi, Mohammad Reza},
title = {Extremal optimization vs. learning automata: Strategies for spin selection in portfolio selection problems},
journal = {Applied Soft Computing},
year = {2012},
volume = {12},
number = {10},
month = {October},
issn = {1568-4946},
pages = {3276--3284},
			numpages = {8},
keywords = {Spin glass model
Portfolio selection
Simulated annealing
Learning automata
Extremal optimization},
}