Cite
HARVARD Citation
Pshenichnyĭ, B. (2020) Necessary conditions for an extremum. [Online]. Boca Raton : CRC Press. Available from: http://access.bl.uk/ark:/81055/vdc_100109223156.0x000001
This is an interim version of our Electronic Legal Deposit Catalogue-eJournals and eBooks while we continue to recover from a cyber-attack.
Pshenichnyĭ, B. (2020) Necessary conditions for an extremum. [Online]. Boca Raton : CRC Press. Available from: http://access.bl.uk/ark:/81055/vdc_100109223156.0x000001