J. Speth

Are the contemporary financial fluctuations sooner converging to normal

S. Drozdz, J. Kwapien, F. Gruemmer, 2003 .

Quantifying the dynamics of financial correlations

Jaroslaw Kwapien, Stanisław Drożdż, F. Ruf, 2001 .

Dynamics of competition between collectivity and noise in the stock market

Stanisław Drożdż, S. Drożdż, J. Speth, 2000 .