. . . . . . . . . "\u0421\u043F\u0438\u0441\u043E\u043A \u043F\u0435\u0440\u0456\u043E\u0434\u0438\u0447\u043D\u0438\u0445 \u0444\u0443\u043D\u043A\u0446\u0456\u0439"@uk . . "This is a list of some well-known periodic functions. The constant function f (x) = c, where c is independent of x, is periodic with any period, but lacks a fundamental period. A definition is given for some of the following functions, though each function may have many equivalent definitions."@en . . . . . . "This is a list of some well-known periodic functions. The constant function f (x) = c, where c is independent of x, is periodic with any period, but lacks a fundamental period. A definition is given for some of the following functions, though each function may have many equivalent definitions."@en . . . "\u0426\u0435 \u0441\u043F\u0438\u0441\u043E\u043A \u043E\u0441\u043D\u043E\u0432\u043D\u0438\u0445 \u0434\u043E\u0431\u0440\u0435 \u0432\u0456\u0434\u043E\u043C\u0438\u0445 \u043F\u0435\u0440\u0456\u043E\u0434\u0438\u0447\u043D\u0438\u0445 \u0444\u0443\u043D\u043A\u0446\u0456\u0439."@uk . "6640"^^ . . . . . . . . . . . . . . . . . "37919722"^^ . . . "981150257"^^ . . . . . "\u0426\u0435 \u0441\u043F\u0438\u0441\u043E\u043A \u043E\u0441\u043D\u043E\u0432\u043D\u0438\u0445 \u0434\u043E\u0431\u0440\u0435 \u0432\u0456\u0434\u043E\u043C\u0438\u0445 \u043F\u0435\u0440\u0456\u043E\u0434\u0438\u0447\u043D\u0438\u0445 \u0444\u0443\u043D\u043A\u0446\u0456\u0439."@uk . . . . . "List of periodic functions"@en . . . . . .