Nowak, Andrzej S. and Szajowski, Krzysztof (1998): Nonzero-sum Stochastic Games. Published in: Annals of the International Society of Dynamic Games , Vol. 4, (1999): pp. 297-342.
Matkowski, Janusz and Nowak, Andrzej S. (2008): On Discounted Dynamic Programming with Unbounded Returns. Unpublished.
Jaśkiewicz, Anna; Matkowski, Janusz and Nowak, Andrzej S. (2011): On Variable Discounting in Dynamic Programming: Applications to Resource Extraction and Other Economic Models. Forthcoming in: Annals of Operations Research : pp. 1-15.
Jaśkiewicz, Anna; Matkowski, Janusz and Nowak, Andrzej S. (2011): Persistently optimal policies in stochastic dynamic programming with generalized discounting. Unpublished.