@misc{Zych_Maria_The,
 author={Zych Maria},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 type={czasopismo},
 title={The correlation between the eigenvalues of global FEM matrix and the sizeof time step in the numerical solutions of solidification equation},
 keywords={eingenvalues of the matric, time step, numerical stability, solidification},
}