Problems and perspectives of BRICS countries transfer to “green economy” and law-carbon energy industry industrial to ecologically responsible
development of renewable power sources. The main aim of this article
Mathematical modeling of irregular integrated optical waveguides and smoothly irregular integrated optical waveguides in forms of elementary continuous functions. The
stable Pseudo-differential operators in an operational model of the quantum measurement of observables of more complicated form. A
stable numerical method for studying the discrete spectra of the measured