@misc{Kołakowski_Henryk_Properties_2000,
 author={Kołakowski, Henryk},
 volume={48},
 editor={Polska Akademia Nauk.},
 number={2},
 copyright={Rights Reserved - Restricted Access},
 address={Warsaw},
 address={Warsaw},
 howpublished={online},
 year={2000},
 publisher={Polska Akademia Nauk. Centrum Upowszechniania Nauki.},
 language={eng},
 title={Properties of non-linear waves with singularities along a cusp},
 type={Text},
}