Warning message Node revision 508 not found in node Theoretical investigation of the deformed graphene nanostructures . Perharps it was deleted. Node revision 510 not found in node Theoretical investigation of the deformed graphene nanostructures . Perharps it was deleted. Tyuleneva Anna Anotol'evna Russia Saratov State University, Russia, Saratov, Astrakhanskaya 83 assistantaatuleneva@km.ru Author's articles Approximation of Bounded p-variation Periodic Functions by Generalized Abel–Poisson and Logarithmic Means Approximation of the Riemann–Liouville Integrals by Algebraic Polynomials on the Segment Approximation of Functions of Bounded p-variation by Euler Means