@article{Magnucki:2009,
author
=
"K.Magnucki and W.Szyc",
title
=
"On stability problems of pressure vessel ellipsoidal heads",
journal
=
"Archive of Mechanical Engineering",
volume
=
"Vol. 46",
number
=
"no 1",
pages
=
"43--55",
year
=
"1999",
}