Peter D. Lax ; notes by J. Berkowitz and A. and P. Lax ; supplementary notes by Avron DouglisCourant Institute of Mathematical Sciences, New York University[195-?]
by Peter Lax ; notes by J. Berkowitz and A. and P. Lax ; supplementary notes by Avron DouglisNew York University. Institute of Mathematical Sciences[19--]
Peter D. Lax ; notes by J. Berkowitz and A. and P. Lax ; supplementary notes by Avron DouglisCourant Institute of Mathematical Sciences, New York University[195-]
by Peter D. Lax ; notes by J. Berkowitz and A. and P. Lax ; supplementary notes by Avron DouglisNew York University. Institute of Mathematical Sciences[19--?]