GREGORI, Pablo; PORCU, Emilio; MATEU, Jorge. MODELS OF COVARIANCE FUNCTIONS OF GAUSSIAN RANDOM FIELDS ESCAPING FROM ISOTROPY, STATIONARITY AND NON NEGATIVITY. Image Analysis and Stereology, [S. l.], v. 33, n. 1, p. 75–81, 2014. DOI: 10.5566/ias.v33.p75-81. Disponível em: https://www.ias-iss.org/ojs/IAS/article/view/1077. Acesso em: 15 jul. 2024.