TY - BOOK AU - Drabek,P.,et al ED - Krejci, P ED - Takac, P TI - Nonlinear differential equations T2 - Chapman & Hall/CRC research notes in mathematics 404 SN - 9781584880363 U1 - 6.03+10.06+4.13 PY - 1999/// CY - Boca Raton PB - Chapman & Hall/CRC ER -