@article{ZNSL_2015_441_a16, author = {M. A. Lifshits and M. Peligrad}, title = {On the spectral density of stationary processes and random fields}, journal = {Zapiski Nauchnykh Seminarov POMI}, pages = {274--285}, publisher = {mathdoc}, volume = {441}, year = {2015}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_441_a16/} }