Terms for subject Mathematics containing in the small

English	Russian
a solution in the small	решение в малом
all terms not linear in the small quantities are deleted	опускать
all terms not linear in the small quantities are deleted	вычёркивать
in a sufficiently small neighborhood of the point x=0	в достаточно малой окрестности точки x=0
in the small	в малом
not linear in the small quantities	не линейный по малым величинам
the first term of the an expansion in small parameter	по малому параметру