@article{DAN_1972_205_3_a14,
     author = {M. M. Bubnov and I. M. Buzhnitskiǐ and E. M. Dianov and S. K. Mamonov and L. I. Mikhailova and A. M. Prokhorov},
     title = {The change of sign of glass laser rod thermal lens when the thermal optical constant of glass is changed},
     journal = {Doklady Akademii Nauk},
     pages = {556--559},
     publisher = {mathdoc},
     volume = {205},
     number = {3},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_205_3_a14/}
}