@misc{Hakobyan_L._Periodic,
 author={Hakobyan, L. and Keryan, K.},
 address={Երևան},
 howpublished={online},
 publisher={Հայաստանի ԳԱԱ},
 title={Periodic Orthonormal Spline Systems With Arbitrary Knots As Bases In H1(T)},
 type={Հոդված},
 keywords={Մաթեմատիկա},
}