  An approach for calculation of transition form factors of hydrogen-like
elementary atoms (EA) is proposed. A general formula for bound-continuous
transition form factors of EA is derived. It is shown that these form factors
can be represented in the form of finite sum of terms with simple analytical
structure and may be numerically evaluated with arbitrary degree of accuracy.
As an application of the presented form factors, the calculation of the spectra
of products from EA ionization is considered.
