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V monografii rassmatrivayutsya organizatsionno-metodologicheskie problemy penitentsiarnoy profilaktiki, realizuemoy v vospitatel'nykh koloniyakh. Rabota soderzhit osnovnye ponyatiya i tipologicheskie osobennosti spetsial'nogo (penitentsiarnogo) vospitatel'no-profilakticheskogo vozdeystviya osushchestvlyaemogo v otnoshenii nesovershennoletnikh osuzhdennykh, s uchetom stepeni ikh obshchestvennoy opasnosti. Bol'shoe vnimanie udeleno prichinam i usloviyam, sposobstvuyushchim vedeniyu antiobshchestvennogo obraza zhizni nesovershennoletnikh pravonarushiteley v mestakh lisheniya svobody. Monografiya...

With students of Physics chiefly in mind, we have collected the material on special functions that is most important in mathematical physics and quan- tum mechanics. We have not attempted to provide the most extensive collec- tion possible of information about special functions, but have set ourselves the task of finding an exposition which, based on a unified approach, ensures the possibility of applying the theory in other natural sciences, since it pro- vides a simple and effective method for the independent solution of problems that arise in practice in physics, engineering and...

Mathematical modelling of many physical processes involves rather complex dif ferential, integral, and integro-differential equations which can be solved directly only in a number of cases. Therefore, as a first step, an original problem has to be considerably simplified in order to get a preliminary knowledge of the most important qualitative features of the process under investigation and to estimate the effect of various factors. Sometimes a solution of the simplified problem can be obtained in the analytical form convenient for further investigation. At this stage of the mathematical...