TY - JOUR AU - Anděl, Jiří TI - Periodic autoregression with exogenous variables and periodic variances JO - Applications of Mathematics PY - 1989 SP - 387 EP - 395 VL - 34 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1989.104366/ DO - 10.21136/AM.1989.104366 LA - en ID - 10_21136_AM_1989_104366 ER -