@misc{optimal+design+of+structural+elements+as+a+control+theory+problem,
    author = {Laskowski, Henryk},
    title = {Optimal design of structural elements as a control theory problem},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2017},
    number = {Y. 114, vol. 6}
}