TY JOUR TI NONLINEAR MODELS OF INONOTUS OBLIQUUS (PERS.) PIL. DIFFUSION INTERRELATION WITH THE BIRCH FOREST QUALITY OF LOCALITY AND AGE. THE INFLUENCE OF SOME PLANTATION MORPHOLOGICAL CHARACTERISTICS ON THE BASIDIUM MACROMYCETE OCCURRENCE KW Inonotus obliquus (Pers.) Pil KW Betula pendula Roth KW approximation KW quality of locality KW age JO Bulletin of KSAU AU Balandaykin, M.E. PY 2013 IS PB Krasnoyarsk State Agrarian University