BibTeX
@ARTICLE{
         Kim1985AEA,
       AUTHOR = "Kim, K. V. and Nesterov, Yu E. and Skokov, V. A. and Cherkasski{\u\i}, B.
         V.",
       TITLE = "An Efficient Algorithm for Computing Derivatives and Extremal Problems",
       JOURNAL = "MATEKON",
       VOLUME = "21",
       YEAR = "1985",
       PAGES = "49--67"
}