@misc{Le_Roy_Frédéric_Does,
 author={Le Roy, Frédéric and Hyacinthe Sanou, Famara},
 howpublished={online},
 publisher={Publishing House of the University of Economics in Katowice},
 language={eng},
 type={artykuł},
 title={Does coopetition strategy improve market performance? An empirical study in mobile phone industry},
 keywords={rynek telefonii komórkowej, telefonia komórkowa, współpraca},
}