N. A. Bobylev, S. V. Emel'yanov, S. K. Korovin. Geometrical methods in variational problems. Boston, 1999.
@article{, author = {N. A. Bobylev, S. V. Emel'yanov, S. K. Korovin}, address = {Boston}, location = {Boston}, title = {Geometrical methods in variational problems}, url = {http://library.fpf.slu.cz/cgi-bin/tw?ST=03&SID=0001D2B1F1&KOD=00&PZ=10&JAK=L&KDE=016&RET=Geometrical+methods+in+variational+problems}, year = {1999} }
TY - JOUR AU - N. A. Bobylev, S. V. Emel'yanov, S. K. Korovin PY - 1999 TI - Geometrical methods in variational problems CY - Boston UR - http://library.fpf.slu.cz/cgi-bin/tw?ST=03&SID=0001D2B1F1&KOD=00&PZ=10&JAK=L&KDE=016&RET=Geometrical+methods+in+variational+problems ER -
N. A. Bobylev, S. V. Emel'yanov, S. K. Korovin. \textit{Geometrical methods in variational problems}. Boston, 1999.