A scientific principle used within the calculus of variations, which develops general methods for finding functions which extremize the value of quantities that depend upon those functions
vědecký princip, který je vyjádřen pomocí variačního počtu (cs)
a scientific principle used within the calculus of variations, which develops general methods for finding functions which extremize the value of quantities that depend upon those functions (en)
変分法を用いた物理学の原理 (ja)
znanstveno načelo, ki se uporablja v variacijskem računu za iskanje funkcij, ki ekstremizirajo vrednost količin, odvisnih od teh funkcij (sl)