@misc{optimal+design+of+conical+disk+with+respect+to+ductile+creep+rupture+time,
    author = {Szuwalski, Krzysztof i Ustrzycka, Aneta},
    title = {Optimal design of conical disk with respect to ductile creep rupture time},
    journal = {Czasopismo Techniczne. Mechanika},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2009},
    number = {R. 106, Z. 12, 3-M}
}