Ves material knizhki mozhno rassmatrivat kak elementarnoe vvedenie v variatsionnoe ischislenie (tak nazyvaetsya tot razdel matematiki, v kotorom sistematicheski izuchayutsya zadachi na otyskanie minimuma ili maksimuma funktsionalov). VariatsionnoeMoreVes material knizhki mozhno rassmatrivat kak elementarnoe vvedenie v variatsionnoe ischislenie (tak nazyvaetsya tot razdel matematiki, v kotorom sistematicheski izuchayutsya zadachi na otyskanie minimuma ili maksimuma funktsionalov). Variatsionnoe ischislenie ne vhodit v pervyj kontsentr kursa vysshej matematiki, izuchayuschegosya, naprimer, v tehnicheskih vuzah.
Odnako my schitaem, chto dlya cheloveka, pristupayuschego k izucheniyu kursa vysshej matematiki, ne bespolezno zaglyanut podalshe vpered. This book, Kratchajshie linii Vypusk 19, by L. A. Lyusternik, is a replication of a book originally published before 1955. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.