FORMULAI OSTROGRADSKIY, formulaest, ki tavassuti on integrali sekarataro ba integrali sathi tabdil medihand; shaklash chunin ast:
in jo S — sathi mahdudi orieatasiyashuda, ki hajmi V-ro faro giriftaast; R, Q R — funksiyahoi setagyiryobanda, ki dar sohai yakaloqai in sathro farogiranda doda shudaand. Onro solhoi 1828—31 M. V. Ostrogradskiy muqarrar kardaast.