@misc{world+war+i+and+mathematics+in+the+russian+world,
    author = {Demidov, Sergey S.},
    title = {World War I and mathematics in “The Russian World”},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2015},
    number = {Y. 112, iss. 2-NP}
}