@incollection{Szasz11, author = {Gy. Vincze and A. Szasz}, title = {On the Extremum Properties of Thermodynamic Steady State in Non-Linear Systems}, booktitle = {Thermodynamics}, publisher = {IntechOpen}, address = {Rijeka}, year = {2011}, editor = {Juan Carlos Moreno-Piraján}, chapter = {10}, doi = {10.5772/21871}, url = {https://doi.org/10.5772/21871} }