@article{Alvarez:51196,
      author       = "Alvarez, Teresa ",
      title        = "<a
                      href="/search?f=title&p=State%20diagram%20for%20operators%20with%20null%20space%20or%20conull%20space%20in%20an%20ideal%20of%20Banach%20spaces&sc=1&ln=en">State
                      diagram for operators with null space or conull space in an
                      ideal of Banach spaces</a>",
}