@book{Shastitko2002, author = {Shastitko, Andrei E. and Tambovtsev, Vitali L.}, year = {2002}, language = {eng}, copyright = {http://www.fu-berlin.de/sites/refubium/rechtliches/Nutzungsbedingungen}, title = {Soft budget constraints}, url = "http://dx.doi.org/10.17169/refubium-22811", }