@article{TNN2011,
author = {Zhirong Yang and Erkki Oja},
journal = {IEEE Transactions on Neural Networks},
language = {eng},
number = {12},
pages = {1878-1891},
title = {Unified Development of Multiplicative Algorithms for Linear and Quadratic Nonnegative Matrix Factorization},
volume = {22},
year = {2011},
}