The importance of similarity transformations and their applications to partial differential equations is discussed. The theory has been presented in a simple manner so that it would be beneficial at ...

THIS most welcome treatise fills a serious gap in English mathematical literature. It provides for the first time a comprehensive account of the general transformation theory which steadily dominates ...

During the two centuries of its existence the University of Belgrade has served its people, and its former students and teachers have greatly contributed to the development of cultural, scientific, ...