@article{10_4153_CJM_2006_017_8,
     author = {Kolountzakis, Mihail N. and R\'ev\'esz, Szil\'ard Gy.},
     title = {On {Pointwise} {Estimates} of {Positive} {Definite} {Functions} {With} {Given} {Support}},
     journal = {Canadian journal of mathematics},
     pages = {401--418},
     year = {2006},
     volume = {58},
     number = {2},
     doi = {10.4153/CJM-2006-017-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2006-017-8/}
}