Journals
Books
Articles by keyword directional pattern of the form of squared cosecant
V. A. Volkov - Ph.D. (Phys.-Math.), Chief Specialist of 1st category, - RDI "Vector". E-mail: vvolkov1949@mail.ru
E. S. Belov - Engineer of 1st category, - RDI "Vector". E-mail: es_belov@mail.ru