Cita APA (7th ed.)

Howison, S., Morgan, J., & Ockendon, J. (1997). A class of codimension-two free boundary problems.

Cita Chicago (17th ed.)

Howison, S., J. Morgan, i J. Ockendon. A Class of Codimension-two Free Boundary Problems. 1997.

Cita MLA (9th ed.)

Howison, S., et al. A Class of Codimension-two Free Boundary Problems. 1997.