TY - BOOK AU - Zelenyak,T.I.,et al ED - Lavrentiev, M.M ED - Vishnevskii, M.P TI - Qualitative theory of parabolic equations, part 1 SN - 9789067642361 U1 - 10.04+6.04 PY - 1997/// CY - Netherland PB - De Gruyter ER -