TY -的盟Ainouline Azat PY - 2004 DA - 1900/01/01 TI -临界值躺在一条线SP - 158304六世- 2004 AB - SN - 1085 - 3375 UR - https://doi.org/10.1155/S1085337504311012 - 10.1155 / S1085337504311012 JF -抽象和应用分析PB - Hindawi出版公司KW - ER